Finding the Fourth Proportional to 759,079.68, 1,138,678.32 and 253,642.42
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Solution
The fourth proportional to 759,079.68, 1,138,678.32 and 253,642.42 is: 380,483.27
Step by Step Solution
- Step 1: Write the proportion equation
759,079.68 : 1,138,678.32 = 253,642.42 : x - Step 2: Convert to fraction form
759,079.68/1,138,678.32 = 253,642.42/x - Step 3: Cross multiply
759,079.68x = 1,138,678.32 × 253,642.42 - Step 4: Simplify right side
759,079.68x = 288,817,122,790.80 - Step 5: Solve for x
x = 288,817,122,790.80/759,079.68 - Step 6: Final answer
x = 380,483.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.